XV, 2 
Craivford: Jumping Plant Lice 
189 
f. Antennae more than twice as long as width of head; 
insect small, about 2.5 millimeters long, forming 
galls on Eucalyptus. (Australia.) 
T. eircularis Froggatt (’Oil 279). 
f. Antennae very short, not much longer than width 
of head; insect larger, 3.5 millimeters long, not 
gall makers. (Bengal, Singapore.) 
T. fietcheri Crawford (’12: 434). 
h 2 . Radius not very short, reaching nearly to tip of wing, 
often curved or sinuate. 
-i 1 . Abdomen and genal cones black, latter as long as 
vertex. (Japan.) 
T. striola Flor. Kuwayama (’10: 62). 
v. Abdomen and genal cones light brown or yellow; cones 
shorter than vertex. 
f. Radius of forewing nearly straight or bent inward 
near middle; antennae usually pale yellow, but 
sometimes brown. 
P. Antennae rather short, not over twice as long as 
width of head. 
f. Body orange yellow to red, sometimes dark red; 
insect about 4 millimeters long. (Japan.) 
T. salicivora Reut. Kuwayama (’10: 59). 
I 2 . Body green or yellowish, about 3 millimeters 
to tip of folded wings. (Japan.) 
T. viridula Zett. Kuwayama (’10: 61). 
Ar. Antennae three times as long as width of head; 
body bright yellow, abdomen green. (Japan.) 
T. silacea M. D. Kuwayama (’10: 58). 
f. Radius of forewing sinuate; antennae black, thorax 
yellowish. (Japan.) 
T. curvatinervis Foerster. Kuwayama (’10: 62). 
e 2 . Thoracic dorsum more or less conspicuously pubescent or 
sparsely hirsute; radius short. 
f'. Genal cones nearly or quite as long as vertex; forewings 
very acutely pointed; pubescence moderately dense. 
g 1 . Fore tibiae with two stout spines at apex ; body color yellow 
to reddish brown; apex of forewing at end of media. 
(Australia.) T. eugeniae Froggatt (’01: 282). 
g 2 . Fore tibiae without apical spines; body color dark brown; 
apex of forewing within second marginal cell. (For- 
mosa.) 
T. (Trichochermes) liyalina Kuwayama (’10: 55). 
f. Genal cones scarcely half as long as vertex; forewings less 
acutely pointed, veins setigerous ; pubescence very sparse. 
(Philippines.) T. luzonensis Crawford (T7: 173). 
a\ Hind wings greatly aborted, reduced to very small stubs ; forewings long 
■ and acutely pointed, marginal cells far separated. (Singapore.) 
T. diptera sp. nov. 
The foregoing key has been arranged in part on descriptions of 
species which in some instances are too meager and indefinite for 
166470 5 
